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- These are all families, and would be difficult and more work to write about. I would suggest picking a genus or species within one of these families. - Josh
 * Donacidae (has three species within it: Egeria Kockii, Egeria Schluabi, and Egeria Tenuicula) - Not sure what you mean here. I can't find info on Egeria, and Donacidae is a whole family.
 * Acridids
 * Macromiidae
 * Holothuriidae (sea cucumbers)